Home / 90,856.04-136,311.96-46,513.91

Finding the Fourth Proportional to 90,856.04, 136,311.96 and 46,513.91

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Solution

The fourth proportional to 90,856.04, 136,311.96 and 46,513.91 is: 69,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,856.04 : 136,311.96 = 46,513.91 : x
  2. Step 2: Convert to fraction form
    90,856.04/136,311.96 = 46,513.91/x
  3. Step 3: Cross multiply
    90,856.04x = 136,311.96 × 46,513.91
  4. Step 4: Simplify right side
    90,856.04x = 6,340,402,754.57
  5. Step 5: Solve for x
    x = 6,340,402,754.57/90,856.04
  6. Step 6: Final answer
    x = 69,785.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.